A West Bank couple is facing armed robbery charges in St. Tammany Parish, accused of robbing a Mandeville man at knifepoint while the victim and one of the suspects were together after arranging a meeting on an online dating website, Mandeville Police said.

Kasi FergusonMandeville Police

Kasi Lynn Ferguson, 23, of Belle Chasse, and Blaise Thomas Pertuit, 22, of Westwego, were arrested Tuesday and booked into the Plaquemines Parish Jail as fugitives. They were extradited to St. Tammany Parish and booked with one count each of armed robbery.

According to Mandeville Police Lt. Gerald Sticker, Ferguson and the 53-year-old victim arranged a meeting through the online dating website SeekingArrangement.com. Sticker said Ferguson and the victim were sitting in his car at around 1 a.m. Sunday at the Lake Pontchartrain Harbor Marina in Mandeville when Pertuit arrived and pulled the victim from the car at knifepoint.

Blaise PertuitMandeville Police

The couple beat and robbed the victim, Sticker said, and police found his watch and camera at Ferguson's Belle Chasse home. Police have not said how Ferguson and Pertuit are connected.